import unittest | |
from test import test_support | |
class DictSetTest(unittest.TestCase): | |
def test_constructors_not_callable(self): | |
kt = type({}.viewkeys()) | |
self.assertRaises(TypeError, kt, {}) | |
self.assertRaises(TypeError, kt) | |
it = type({}.viewitems()) | |
self.assertRaises(TypeError, it, {}) | |
self.assertRaises(TypeError, it) | |
vt = type({}.viewvalues()) | |
self.assertRaises(TypeError, vt, {}) | |
self.assertRaises(TypeError, vt) | |
def test_dict_keys(self): | |
d = {1: 10, "a": "ABC"} | |
keys = d.viewkeys() | |
self.assertEqual(len(keys), 2) | |
self.assertEqual(set(keys), set([1, "a"])) | |
self.assertEqual(keys, set([1, "a"])) | |
self.assertNotEqual(keys, set([1, "a", "b"])) | |
self.assertNotEqual(keys, set([1, "b"])) | |
self.assertNotEqual(keys, set([1])) | |
self.assertNotEqual(keys, 42) | |
self.assertIn(1, keys) | |
self.assertIn("a", keys) | |
self.assertNotIn(10, keys) | |
self.assertNotIn("Z", keys) | |
self.assertEqual(d.viewkeys(), d.viewkeys()) | |
e = {1: 11, "a": "def"} | |
self.assertEqual(d.viewkeys(), e.viewkeys()) | |
del e["a"] | |
self.assertNotEqual(d.viewkeys(), e.viewkeys()) | |
def test_dict_items(self): | |
d = {1: 10, "a": "ABC"} | |
items = d.viewitems() | |
self.assertEqual(len(items), 2) | |
self.assertEqual(set(items), set([(1, 10), ("a", "ABC")])) | |
self.assertEqual(items, set([(1, 10), ("a", "ABC")])) | |
self.assertNotEqual(items, set([(1, 10), ("a", "ABC"), "junk"])) | |
self.assertNotEqual(items, set([(1, 10), ("a", "def")])) | |
self.assertNotEqual(items, set([(1, 10)])) | |
self.assertNotEqual(items, 42) | |
self.assertIn((1, 10), items) | |
self.assertIn(("a", "ABC"), items) | |
self.assertNotIn((1, 11), items) | |
self.assertNotIn(1, items) | |
self.assertNotIn((), items) | |
self.assertNotIn((1,), items) | |
self.assertNotIn((1, 2, 3), items) | |
self.assertEqual(d.viewitems(), d.viewitems()) | |
e = d.copy() | |
self.assertEqual(d.viewitems(), e.viewitems()) | |
e["a"] = "def" | |
self.assertNotEqual(d.viewitems(), e.viewitems()) | |
def test_dict_mixed_keys_items(self): | |
d = {(1, 1): 11, (2, 2): 22} | |
e = {1: 1, 2: 2} | |
self.assertEqual(d.viewkeys(), e.viewitems()) | |
self.assertNotEqual(d.viewitems(), e.viewkeys()) | |
def test_dict_values(self): | |
d = {1: 10, "a": "ABC"} | |
values = d.viewvalues() | |
self.assertEqual(set(values), set([10, "ABC"])) | |
self.assertEqual(len(values), 2) | |
def test_dict_repr(self): | |
d = {1: 10, "a": "ABC"} | |
self.assertIsInstance(repr(d), str) | |
r = repr(d.viewitems()) | |
self.assertIsInstance(r, str) | |
self.assertTrue(r == "dict_items([('a', 'ABC'), (1, 10)])" or | |
r == "dict_items([(1, 10), ('a', 'ABC')])") | |
r = repr(d.viewkeys()) | |
self.assertIsInstance(r, str) | |
self.assertTrue(r == "dict_keys(['a', 1])" or | |
r == "dict_keys([1, 'a'])") | |
r = repr(d.viewvalues()) | |
self.assertIsInstance(r, str) | |
self.assertTrue(r == "dict_values(['ABC', 10])" or | |
r == "dict_values([10, 'ABC'])") | |
def test_keys_set_operations(self): | |
d1 = {'a': 1, 'b': 2} | |
d2 = {'b': 3, 'c': 2} | |
d3 = {'d': 4, 'e': 5} | |
self.assertEqual(d1.viewkeys() & d1.viewkeys(), {'a', 'b'}) | |
self.assertEqual(d1.viewkeys() & d2.viewkeys(), {'b'}) | |
self.assertEqual(d1.viewkeys() & d3.viewkeys(), set()) | |
self.assertEqual(d1.viewkeys() & set(d1.viewkeys()), {'a', 'b'}) | |
self.assertEqual(d1.viewkeys() & set(d2.viewkeys()), {'b'}) | |
self.assertEqual(d1.viewkeys() & set(d3.viewkeys()), set()) | |
self.assertEqual(d1.viewkeys() | d1.viewkeys(), {'a', 'b'}) | |
self.assertEqual(d1.viewkeys() | d2.viewkeys(), {'a', 'b', 'c'}) | |
self.assertEqual(d1.viewkeys() | d3.viewkeys(), {'a', 'b', 'd', 'e'}) | |
self.assertEqual(d1.viewkeys() | set(d1.viewkeys()), {'a', 'b'}) | |
self.assertEqual(d1.viewkeys() | set(d2.viewkeys()), {'a', 'b', 'c'}) | |
self.assertEqual(d1.viewkeys() | set(d3.viewkeys()), | |
{'a', 'b', 'd', 'e'}) | |
self.assertEqual(d1.viewkeys() ^ d1.viewkeys(), set()) | |
self.assertEqual(d1.viewkeys() ^ d2.viewkeys(), {'a', 'c'}) | |
self.assertEqual(d1.viewkeys() ^ d3.viewkeys(), {'a', 'b', 'd', 'e'}) | |
self.assertEqual(d1.viewkeys() ^ set(d1.viewkeys()), set()) | |
self.assertEqual(d1.viewkeys() ^ set(d2.viewkeys()), {'a', 'c'}) | |
self.assertEqual(d1.viewkeys() ^ set(d3.viewkeys()), | |
{'a', 'b', 'd', 'e'}) | |
def test_items_set_operations(self): | |
d1 = {'a': 1, 'b': 2} | |
d2 = {'a': 2, 'b': 2} | |
d3 = {'d': 4, 'e': 5} | |
self.assertEqual( | |
d1.viewitems() & d1.viewitems(), {('a', 1), ('b', 2)}) | |
self.assertEqual(d1.viewitems() & d2.viewitems(), {('b', 2)}) | |
self.assertEqual(d1.viewitems() & d3.viewitems(), set()) | |
self.assertEqual(d1.viewitems() & set(d1.viewitems()), | |
{('a', 1), ('b', 2)}) | |
self.assertEqual(d1.viewitems() & set(d2.viewitems()), {('b', 2)}) | |
self.assertEqual(d1.viewitems() & set(d3.viewitems()), set()) | |
self.assertEqual(d1.viewitems() | d1.viewitems(), | |
{('a', 1), ('b', 2)}) | |
self.assertEqual(d1.viewitems() | d2.viewitems(), | |
{('a', 1), ('a', 2), ('b', 2)}) | |
self.assertEqual(d1.viewitems() | d3.viewitems(), | |
{('a', 1), ('b', 2), ('d', 4), ('e', 5)}) | |
self.assertEqual(d1.viewitems() | set(d1.viewitems()), | |
{('a', 1), ('b', 2)}) | |
self.assertEqual(d1.viewitems() | set(d2.viewitems()), | |
{('a', 1), ('a', 2), ('b', 2)}) | |
self.assertEqual(d1.viewitems() | set(d3.viewitems()), | |
{('a', 1), ('b', 2), ('d', 4), ('e', 5)}) | |
self.assertEqual(d1.viewitems() ^ d1.viewitems(), set()) | |
self.assertEqual(d1.viewitems() ^ d2.viewitems(), | |
{('a', 1), ('a', 2)}) | |
self.assertEqual(d1.viewitems() ^ d3.viewitems(), | |
{('a', 1), ('b', 2), ('d', 4), ('e', 5)}) | |
def test_main(): | |
test_support.run_unittest(DictSetTest) | |
if __name__ == "__main__": | |
test_main() |